Search Results - "Harshavardhan, K. S."

Epitaxial superlattices grown by a PLD-based continuous compositional-spread technique by Christen, H.M, Silliman, S.D, Harshavardhan, K.S

“…A recently introduced continuous compositional-spread (CCS) technique-based on the non-uniformity of the deposition rate typically observed in pulsed laser…”
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Urban sound classification using ANN by Harshavardhan, K S, Mahesh

“…The importance of the integration of artificial intelligence with the applications in use can be widely seen in today's technology. Audio is a key…”
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Field-dependent dielectric permittivity of paraelectric superlattice structures by Christen, H.-M., Knauss, L.A., Harshavardhan, K.S.

“…SrTiO 3/SrZrO 3 and SrTiO 3/BaTiO 3 superlattice structures have been grown by pulsed laser deposition, and their dielectric properties have been measured at…”
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Tunable YBCO resonators on YIG substrates by Oates, D.E., Pique, A., Harshavardhan, K.S., Moses, J., Yang, F., Dionne, G.F.

“…A tunable stripline resonator has been fabricated from YBa/sub 2/Cu/sub 3/O/sub 7-x/ (YBCO) films deposited on single-crystal Y/sub 3/Fe/sub 5/O/sub 12/ (YIG)…”
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Parameters that control pulsed electron beam ablation of materials and film deposition processes by Strikovski, Mikhail, Harshavardhan, K. S.

“…Conditions for ablation of materials and film deposition were analyzed for a pulsed (∼100 ns) electron beam produced by a channel-spark source. For dielectric…”
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Buckling patterns in diamond-like carbon films by Iyer, Suman B., Harshavardhan, K.S., Kumar, Vikram

“…An optical microscopy study of stress relief patterns in diamond-like carbon films is presented. Interesting stress relief patterns are observed which include…”
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Pulsed-electron-beam deposition of transparent conducting SnO2 films and study of their properties by Choudhary, R. J., Ogale, S. B., Shinde, S. R., Kulkarni, V. N., Venkatesan, T., Harshavardhan, K. S., Strikovski, M., Hannoyer, B.

“…Transparent conducting films of SnO2 are grown on single-crystal R-Al2O3 substrates by the pulsed electron beam deposition (PED) technique, and their…”
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High temperature superconducting films on flexible substrates for cryoelectronics by Harshavardhan, K.S., Christen, H., Silliman, S.D., Talanov, V., Rajeswari, M., Claassen, J.

“…High temperature superconducting (HTS) films on flexible, low loss, low thermal conductivity substrates offer unique advantages to transmit multichannel…”
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EFFECT OF SIZE, STRAIN, AND LONG-RANGE INTERACTIONS ON FERROELECTRIC PHASE TRANSITIONS IN KTaO3/KNbO3 SUPERLATTICES STUDIED BY X-RAY, EXAFS, AND DIELECTRIC MEASUREMENTS by Christen, H-M, Harshavardhan, K S, Chisholm, M F, Specht, E D, Budai, J D, Norton, D P, Boatner, L A, Pickering, I J

“…Epitaxial, uniformly strained superlattices of ferroelectric KNbO3 and paraelectric KTaO3 were studied with respect to their structural and dielectric…”
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Influence of LaAlO3 surface topography on rf current distribution in superconducting microwave devices by Zhuravel, A. P., Ustinov, A. V., Harshavardhan, K. S., Anlage, Steven M.

“…A laser scanning microscope with a thermal spot size of about 4 μm is used to measure a quantity proportional to the rf current density in an operating…”
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Deposition of high quality YBa2Cu3O7− x films on ultrathin (12 μm thick) sapphire substrates for infrared detector applications by Piqué, A., Harshavardhan, K. S., Moses, J., Mathur, M., Venkatesan, T., Brasunas, J. C., Lakew, B.

“…High quality epitaxial YBa2Cu3O7−x (YBCO) thin films have been deposited on 12 μm thick (11̄02) oriented sapphire substrates using a CeO2 buffer layer. Both…”
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Dominant pinning mechanisms in YBa2Cu3O7-x films on single and polycrystalline yttria stabilized zirconia substrates by HARSHAVARDHAN, K. S, RAJESWARI, M, HWANG, D. M, CHEN, C. Y, VENKATESAN, T, TKACZYK, J. E, LAY, K. W, SAFARI, A

“…Critical-current densities have been measured in YBa2Cu3O7−x films deposited on (100) yttria stabilized zirconia (YSZ) and polycrystalline YSZ substrates as a…”
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Interface State Density Distribution in Amorphous/Crystalline Silicon Heterostructures by Iyer, Suman B., Kumar, Vikram, Harshavardhan, K. S.

“…We present the first report of the interface state density distribution in undoped hydrogenated amorphous silicon/crystalline silicon heterostructures. The…”
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YBa2Cu3O7-x films on flexible, partially stabilized zirconia substrates with fully stabilized zirconia buffer layers by HARSHAVARDHAN, K. S, RAMESH, R, REEVES, M, TKACZYK, J. E, KAY, K. W, RAVI, T. S, SAMPERE, S, INAM, A, CHANG, C. C, HULL, G, RAJESWARI, M, SANDS, T, VENKATESAN, T

“…Textured polycrystalline YBCO films with superconducting transition temperatures of ∼90 K have been prepared on flexible zirconia substrates, partially…”
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Growth of nonlinear optical thin films of KTa1−xNbxO3 on GaAs by pulsed laser deposition for integrated optics by Knauss, L. A., Harshavardhan, K. S., Christen, H.-M., Zhang, H. Y., He, X. H., Shih, Y. H., Grabowski, K. S., Knies, D. L.

“…We report successful deposition of epitaxial nonlinear KTa0.52Nb0.48O3 (KTN) films on (100) GaAs substrates. A buffer layer scheme consisting of epitaxial MgO…”
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Low-loss YBa2Cu3O7 films on flexible, polycrystalline-yttria-stabilized zirconia tapes for cryoelectronic applications by Harshavardhan, K. S., Christen, H. M., Silliman, S. D., Talanov, V. V., Anlage, S. M., Rajeswari, M., Claassen, J.

“…High-temperature superconducting films on flexible, low-thermal conductivity, low-loss substrates offer a unique base for the development of cryoelectronic…”
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Magnetically Tunable Microwave Filters based on YBCO/YIG/GGG Heterostructures by Silliman, Sd, Christen, H-m, Knauss, La, Harshavardhan, Ks, El Sabbagh, Mma, Zaki, K

“…Superconducting, monolithic magnetically tunable microwave filters have been designed and fabricated demonstrating high tuning ranges (up to 19%) at a center…”
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Epitaxial HTS thin films grown by PLD with a beam homogenizer by Wagner, F.X., Scaggs, M., Koch, A., Endert, H., Christen, H.-M., Knauss, L.A., Harshavardhan, K.S., Green, S.M.

“…A beam homogenizer has been used in combination with a standard pulsed laser deposition (PLD) system. This combination reproducibly resulted in laser spots of…”
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Microwave compatible YBa2Cu3O7− x films on ferrimagnetic garnet substrates by Piqué, A., Harshavardhan, K. S., Moses, J., Mathur, M., Belohoubek, E., Venkatesan, T., Denlinger, E. J., Kalokitis, D., Fathy, A., Pendrick, V., Rajeswari, M., Jiang, Wu

“…High quality epitaxial YBa2Cu3O7−x (YBCO) thin films have been deposited onto ferrimagnetic yttrium iron garnet (100) substrates using a double buffer layer…”
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Optimization of materials and design for electrically tunable microwave filters by Christen, H.-M., Silliman, S. D., Harshavardhan, K. S., Knauss, L. A., Zhao, Z., Zaki, K. A.

“…Electrically tunable microwave band-pass filters are fabricated using a high-temperature superconductor and tunable dielectrics based on SrTiO 3 . The design…”
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